pre {
  background: #F8F8F8;
  border-radius: 2px;
  margin-bottom: 17px;
  padding: 10px;
  overflow: auto;
  position: relative;
}
pre .code-copy {
  position: absolute;
  display: none;
  top: 10px;
  right: 10px;
  padding: 0 10px;
  border-radius: 2px;
  font-size: 20px;
  color: #838586;
  cursor: pointer;
}
pre .code-copy:hover {
  color: cadetblue;
}
pre:hover .code-copy {
  display: block;
}
